Qur'an 3:169

وَلَا تَحْسَبَنَّ ٱلَّذِينَ قُتِلُوا۟ فِى سَبِيلِ ٱللَّهِ أَمْوَٰتًۢا ۚ بَلْ أَحْيَآءٌ عِندَ رَبِّهِمْ يُرْزَقُونَ

“And never think of those who have been killed in the cause of Allāh as dead. Rather, they are alive with their Lord, receiving provision,”

Aal-i-Imraan 3:169 · Saheeh International